EP1269500B1 - Procede de commande d'un moteur pour un commutateur rotatif et un commutateur rotatif approprie audit procede - Google Patents

Procede de commande d'un moteur pour un commutateur rotatif et un commutateur rotatif approprie audit procede Download PDF

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Publication number
EP1269500B1
EP1269500B1 EP01907574A EP01907574A EP1269500B1 EP 1269500 B1 EP1269500 B1 EP 1269500B1 EP 01907574 A EP01907574 A EP 01907574A EP 01907574 A EP01907574 A EP 01907574A EP 1269500 B1 EP1269500 B1 EP 1269500B1
Authority
EP
European Patent Office
Prior art keywords
motor drive
drive unit
slide
tap
switching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01907574A
Other languages
German (de)
English (en)
Other versions
EP1269500A1 (fr
Inventor
Jürgen ACH
Christian Heudecker
Klaus Hoepfl
Silke Wrede
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Reinhausen GmbH
Scheubeck GmbH and Co
Original Assignee
Maschinenfabrik Reinhausen GmbH
Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Reinhausen GmbH, Maschinenfabrik Reinhausen Gebrueder Scheubeck GmbH and Co KG filed Critical Maschinenfabrik Reinhausen GmbH
Publication of EP1269500A1 publication Critical patent/EP1269500A1/fr
Application granted granted Critical
Publication of EP1269500B1 publication Critical patent/EP1269500B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/02—Details of starting control
    • H02P1/04—Means for controlling progress of starting sequence in dependence upon time or upon current, speed, or other motor parameter
    • H02P1/10—Manually-operated on/off switch controlling relays or contactors operating sequentially for starting a motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0027—Operating mechanisms
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H01H2003/266—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor having control circuits for motor operating switches, e.g. controlling the opening or closing speed of the contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H2009/0061—Monitoring tap change switching devices

Definitions

  • the invention relates to a method for controlling a motor drive for a tap changer.
  • the invention further relates to a particularly suitable for such a method tap changer.
  • a motor drive of the type mentioned is known from DE 197 07 548 C1 and the company publication "Motor drive ED - Operating Instructions;
  • Such a known motor drive is used for uninterrupted switching of a tap changer between different taps of the control winding of a tapped transformer.
  • the operation of the tap changer is thus initiated by an actuation of the motor drive;
  • the control of the motor drive takes place according to the principle of stepping, d. H. an adjustment by a switching step is initiated by a single control pulse - triggered for example by a voltage regulator - and then inevitably completed. The next circuit is then possible only after reaching the new rest position.
  • a well-known motor drive has, in addition to other modules to its control on a control gear that carries different cams for mechanical actuation of different cam switch.
  • the control gear performs and thus make the individual cams a rotation of 360 degrees and in turn operate after a predetermined sequence by the design of the cam, the different cam switches.
  • the individual cam switches in turn serve to realize a wide variety of functions; For example, the runtime, i. H. the shutdown of the motor drive, determined by such a cam switch.
  • the control thereof is such that after a predetermined time within the switching sequence, which is predetermined by the corresponding cam, the motor drive is turned off. This happens because a corresponding cam switch is actuated by this cam and the motor drive thereby receives the information that this switching sequence is completed and the motor drive is to be switched off and thus subsequently ready for the next switching.
  • this information expressly refers only to the motor drive, ie its status and its completed operation; It is possible no monitoring whether the corresponding tap changer has actually reached its new end position and all components of the tap changer have actually taken the new stationary state, the prerequisite for proper operation and, above all, for a further switching is.
  • the object of the invention is therefore to provide a method for controlling a motor drive, in which controlled in a simple manner both its duration and at the same time monitoring is possible, even if the operated tap changer in turn has taken his proper stationary new position after the changeover.
  • the object of the invention is also to provide a particularly suitable for such a method tap changer.
  • the claim 2 relates to a particularly suitable tap changer.
  • the invention generally assumes that usually a tap changer has a slowly and continuously operable selector for powerless preselection of the new tap to be switched to, as well as a diverter switch for fast, uninterrupted switching between previous and new tap.
  • the diverter switch has in this case an energy storage, which is mounted during the operation of the selector, wherein a driven part of the energy accumulator is still locked by pawls.
  • the actual actuation of the diverter switch is then initiated by the released energy storage, more precisely by the rapid actuation of the output part.
  • This rapid actuation of the output part of the energy accumulator in turn is released by the fact that one of the pawls is deflected from the stationary locking position; the hitherto existing latching of the energy store is canceled.
  • the invention is based on the general idea, this Verklinkung, ie the position of the pawls of the energy storage, which hold this normally in the locked state, to capture and exploit in a double manner.
  • the time at which a pawl on the energy storage, which is locked until then, is deflected and thus releases the energy storage or its output part be detected and used as a time for switching off the motor drive - because the switching sequence is terminated.
  • the latching of the energy accumulator after reaching the new position is a reliable indication of a defined, reliable condition.
  • an inadmissible operating state is reached. Such a mistake in the latch can occur when a spring of the pawls themselves or the spring of the energy accumulator is defective or are.
  • the operation of the tap changer is initiated z. B. by a control pulse of a voltage regulator in case of deviation of the (measured) voltage actual value of the voltage setpoint or by manual impulse in a control room o. The like.
  • This control pulse actuates depending on the direction of rotation, ie switching in the direction of "higher” or in the direction of "lower” one of two motor contactors and thus the electric motor of the motor drive.
  • Each of the two motor contactors has a known self-holding.
  • FIG. 2 shows an energy store of a tap changer suitable for carrying out the method described above. Certain parts of this energy storage has already been referred to above in the explanation of the method.
  • the energy accumulator consists of three main assemblies: a base plate 1, a Aufziehschlitten 2 and a shift carriage 3. This structure is already known from the cited prior art.
  • the Aufziehschlitten 2 is operated linearly by the motor drive; he is trained longitudinally displaceable. Between it and the shift carriage 3 are - not shown in the figure - power storage springs arranged.
  • two lateral latch levers 6, 7 are provided, each having a locking roller 8, 9, which in turn each correspond to one of the locking lugs 4, 5, that can engage in this.
  • the Aufziehschlitten 2 is, as explained, thus shifted in actuation of the motor drive in the longitudinal direction, while the shift carriage 3 remains in its previous position because it by the locking rollers 8 and 9 of the latch lever described 6 and 7, respectively, against the corresponding corresponding Support locking lug 4 or 5, is locked.
  • the end position it is pressed depending on the direction of movement of the latch lever 3 or 4 against the force of a corresponding ratchet lever spring 10 and 11 down.
  • the respective locking roller 8 or 9 is disengaged from the respective locking lug 4 or 5.
  • Proximity sensors 13, 14 are provided according to the invention next to the locking rollers 8, 9 of the latch levers 6, 7. These proximity sensors 13, 14 respectively detect the position of the corresponding, spatially associated latch lever 6, 7. In the example shown here, the proximity sensor 13 detects the position of the latch lever 6 and the proximity sensor 14 detects the position of the latch lever 7.
  • the respective proximity sensor 13, 14 outputs an electrical signal when the corresponding latch lever 6, 7 is in the latched state.
  • Each of the signal lines 15, 16 led out by a proximity sensor 13, 14 is electrically connected to a paw monitoring contactor. Their switching contacts are connected in parallel in the electrical control circuit of the electric motor of the motor drive.
  • the motor drive runs after set control pulse so only as long as one of the two paw monitoring contactors is tightened, which requires that one of the proximity sensors 13, 14 provides the signal and thus gives the information that the corresponding latch lever 6, 7 is engaged.
  • both ratchet levers 6, 7 are briefly pressed out of the lock, both ratchets have dropped, as a result the control circuit is interrupted and the motor drive is stopped.
  • the energy store is latched again, ie. H. the control circuit is again initialized for a new control pulse.
  • both latch monitoring contactors remain de-energized, and it is not possible to use a new control pulse to switch over again; H. to restart the operation of the on-load tap-changer. Rather, the motor drive is blocked, as long as this error is not eliminated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Position Or Direction (AREA)
  • Stopping Of Electric Motors (AREA)
  • Motor And Converter Starters (AREA)
  • Control Of Stepping Motors (AREA)

Abstract

L'invention concerne un procédé dans lequel la position des leviers à cliquet d'un accumulateur de force, qui, en général, bloquent le coulisseau de commutation dudit accumulateur en position enclenchée, est surveillée et le moteur est coupé dès que tous les leviers à cliquet se trouvent en position désenclenchée, c'est-à-dire que l'accumulateur de force est libéré et la commutation rapide du commutateur de charge est amorcée. Selon ladite invention, le commutateur rotatif présente des capteurs électriques de proximité dans la zone des leviers à cliquet, reliés à un circuit de commande du moteur. Ledit procédé garantit ainsi que le circuit de commande est coupé et que le moteur est arrêté dès qu'aucun des leviers à cliquet ne se trouve en position enclenchée, position dans laquelle ils bloquent le coulisseau de commutation de l'accumulateur de force.

Claims (2)

  1. Processus de commande du mécanisme d'entraînement d'un changeur de prises, par lequel une seule impulsion de commande lance l'activation du mécanisme d'entraînement qui se poursuit obligatoirement jusqu'à la fin selon le principe de l'entraînement intermittent, où le mécanisme d'entraînement active un sélecteur du changeur de prises lentement et sans capacité, où également le mécanisme d'entraînement arme et bande un chariot tendeur (2) d'un accumulateur d'énergie composé de ce dernier et d'un chariot de commutation (3) et où le chariot de commutation (3) est d'abord bloqué par les leviers du cliquet (6, 7) puis se retrouve à l'état enclenché, et où enfin après armement complet de l'accumulateur d'énergie, l'enclenchement est levé après libération des leviers de cliquet (6, 7), à la suite de quoi le chariot de commutation accomplit un mouvement rapide actionnant un commutateur du changeur de prises, se caractérisant par le fait que la position des leviers du cliquet (6, 7) est surveillée et le mécanisme d'entraînement est coupé, dès lors que tous les leviers de cliquet (6, 7) se trouvent à l'état non enclenché, et de manière que le mécanisme d'entraînement ne soit autorisé pour la prochaine activation qu'à la condition qu'un des leviers du cliquet (6, 7) soit enclenché.
  2. Changeur de prises pour la réalisation du processus selon la revendication 1, qui présente un accumulateur d'énergie, qui à son tour présente un chariot d'entraînement à commande linéaire entraîné par l'arbre de transmission du mécanisme d'entraînement et un chariot de commutation (3) à encliquetage entre lesquels des ressorts accumulateurs d'énergie sont prévus,
    où, par un mouvement longitudinal du chariot tendeur (2) relativement au chariot de commutation (3), les ressorts accumulateurs d'énergie sont extensibles, de manière que le chariot de commutation (3) suive par bond, après libération de l'enclenchement, le mouvement du chariot tendeur (2),
    et où l'enclenchement se fait par deux leviers de cliquet (6, 7) qui peuvent se désaxer contre la force d'un ressort de cliquet chacun (10, 11) avec chacun un galet d'arrêt (8, 9), qui au repos correspondent chacun avec une pièce d'arrêt (4, 5) sur le chariot de commutation et sont enclenchés sur ce dernier, ceci se caractérisant par le fait que, latéralement dans la zone des galets d'arrêt (8, 9) de chaque levier du cliquet (6, 7) un capteur d'approche électrique (13, 14) est monté,
    et que chaque capteur d'approche (13, 14) est relié électriquement au circuit de contrôle du mécanisme d'entraînement, de façon que le circuit soit interrompu et par là le mécanisme d'entraînement arrêté, dès lors qu'aucun des leviers du cliquet (6, 7) ne se trouve à l'état enclenché.
EP01907574A 2000-04-01 2001-03-01 Procede de commande d'un moteur pour un commutateur rotatif et un commutateur rotatif approprie audit procede Expired - Lifetime EP1269500B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10016489 2000-04-01
DE10016489A DE10016489C2 (de) 2000-04-01 2000-04-01 Verfahren zur Steuerung eines Motorantriebes für einen Stufenschalter sowie für ein solches Verfahren geeigneter Stufenschalter
PCT/EP2001/002303 WO2001075919A1 (fr) 2000-04-01 2001-03-01 Procede de commande d'un moteur pour un commutateur rotatif et un commutateur rotatif approprie audit procede

Publications (2)

Publication Number Publication Date
EP1269500A1 EP1269500A1 (fr) 2003-01-02
EP1269500B1 true EP1269500B1 (fr) 2007-01-10

Family

ID=7637411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01907574A Expired - Lifetime EP1269500B1 (fr) 2000-04-01 2001-03-01 Procede de commande d'un moteur pour un commutateur rotatif et un commutateur rotatif approprie audit procede

Country Status (8)

Country Link
EP (1) EP1269500B1 (fr)
KR (1) KR20040005561A (fr)
CN (1) CN1187773C (fr)
AU (1) AU3550201A (fr)
BG (1) BG64810B1 (fr)
DE (2) DE10016489C2 (fr)
HK (1) HK1049734A1 (fr)
WO (1) WO2001075919A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10344142B3 (de) * 2003-09-24 2005-02-10 Maschinenfabrik Reinhausen Gmbh Laststufenschalter mit Motorantrieb
US7432787B2 (en) * 2005-12-15 2008-10-07 Cooper Technologies Company Motorized loadbreak switch control system and method
US8004377B2 (en) 2008-05-08 2011-08-23 Cooper Technologies Company Indicator for a fault interrupter and load break switch
US7936541B2 (en) 2008-05-08 2011-05-03 Cooper Technologies Company Adjustable rating for a fault interrupter and load break switch
US7920037B2 (en) 2008-05-08 2011-04-05 Cooper Technologies Company Fault interrupter and load break switch
US7952461B2 (en) 2008-05-08 2011-05-31 Cooper Technologies Company Sensor element for a fault interrupter and load break switch
US8013263B2 (en) 2008-08-14 2011-09-06 Cooper Technologies Company Multi-deck transformer switch
US8153916B2 (en) 2008-08-14 2012-04-10 Cooper Technologies Company Tap changer switch
US7872203B2 (en) 2008-08-14 2011-01-18 Cooper Technologies Company Dual voltage switch
AU2009322358B2 (en) 2008-12-04 2015-04-09 Eaton Intelligent Power Limited Low force low oil trip mechanism
EP2535910A1 (fr) 2011-06-15 2012-12-19 ABB Research Ltd. Accumulateur d'énergie pour actionner un dispositif de commutation, changeur de prise et transformateur
CN111578979B (zh) * 2020-05-26 2021-09-17 杭州斡维电子科技有限公司 一种同轴扫描开关及控制方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790860A (en) * 1955-04-06 1957-04-30 Furnas Electric Co Motor driven tap switch
DE4009038A1 (de) * 1990-03-21 1991-09-26 Reinhausen Maschf Scheubeck Verfahren und anordnung fuer ein ueberwachungssystem fuer stufenschalter von stufentransformatoren
DE9010499U1 (de) * 1990-05-25 1991-07-04 Maschinenfabrik Reinhausen GmbH, 8400 Regensburg Schaltungsanordnung zur Schaltüberwachung bei Stufenschaltern
DE4214431C3 (de) * 1992-04-30 1996-08-14 Reinhausen Maschf Scheubeck Stufenschalter mit Motorantrieb
DE19707548C1 (de) * 1997-02-26 1998-06-18 Reinhausen Maschf Scheubeck Motorantrieb
DE19847745C1 (de) * 1998-10-16 2000-01-05 Reinhausen Maschf Scheubeck Stufenschalter
DE19855860C1 (de) * 1998-12-03 2000-02-17 Reinhausen Maschf Scheubeck Kraftspeicher für einen Stufenschalter

Also Published As

Publication number Publication date
HK1049734A1 (en) 2003-05-23
WO2001075919A1 (fr) 2001-10-11
AU3550201A (en) 2001-10-15
BG64810B1 (bg) 2006-04-28
DE10016489C2 (de) 2002-01-31
BG107080A (en) 2003-05-30
CN1187773C (zh) 2005-02-02
EP1269500A1 (fr) 2003-01-02
CN1406387A (zh) 2003-03-26
KR20040005561A (ko) 2004-01-16
DE50111851D1 (de) 2007-02-22
DE10016489A1 (de) 2001-10-04

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